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. 2018 Sep 7;11(9):1654. doi: 10.3390/ma11091654

Table 4.

Enthalpy per monomer of the polymer solvation transition measured by DSC.

Sample Grafted Polymer Concentration (g L−1) ΔHmonomer,heating
(kJ mol1 K1)
ΔHmonomer,cooling
(kJ mol1 K1)
ΔHcoolingΔH heating (%)
FeOx-5 0.06 3.85 −3.16 82
FeOx-5 0.1 4.13 −2.29 55
FeOx-5 0.5 3.86 −2.65 69
FeOx-5 1.0 3.97 −2.88 72
FeOx-5 10 4.05 −3.71 92
FeOx-5 mean 3.97 ± 0.11 −2.94 ± 0.48 74
FeOx-7 0.1 3.75 −2.71 72
FeOx-7 0.12 3.76 −2.89 77
FeOx-7 0.5 3.85 −2.68 69
FeOx-7 1.0 3.80 −3.33 88
FeOx-7 10 3.73 −3.26 88
FeOx-7 mean 3.78 ± 0.05 −2.97 ± 0.27 79
FeOx-10 0.1 3.47 −1.66 48
FeOx-10 0.28 3.40 −2.35 69
FeOx-10 0.5 3.30 −2.37 72
FeOx-10 1.0 3.33 −2.37 71
FeOx-10 10 3.53 −3.08 87
FeOx-10 mean 3.41 ± 0.09 −2.37 ± 0.45 69
FeOx-21 0.1 3.64 −1.78 49
FeOx-21 0.5 3.70 −2.00 54
FeOx-21 1.0 3.67 −2.55 69
FeOx-21 10 3.58 −3.23 90
FeOx-21 mean 3.65 ± 0.04 −2.39 ± 0.56 65
Free polymer 0.1 4.46 −1.75 39
Free polymer 0.5 4.76 −2.66 56
Free polymer 1 4.85 −5.06 104
Free polymer 10 4.81 −3.04 63
Free polymer mean 4.72 ± 0.15 −3.13 ± 1.21 66